Widespread dense fog and patchy drizzle will continue through the morning hours affecting the morning rush hour. Visibility has already been reduced to less than one quarter of a mile in several locations and is forecast to persist during much of the morning. A very moist and unseasonably warm air mass over a snow pack has lead to significant fog development during the overnight hours.

A dense fog advisory will be in effect until noon today. Widespread dense fog and patch drizzle will cause one quarter mile or less visibility this morning. A significant travel hindrance through the morning rush hour, especially prior to sunrise.

A densefog advisory means visibilities will frequently be reduced to less than one quarter mile. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.